private void OnPackageFileDataBeginReceived(PacketMessage packetMessage)
{
XmlDocument xmlDocument = CreateXmlDocumentFromMessage(packetMessage);
//Console.WriteLine("DEBUG: Received S_PACKAGE_FILE_BEGIN: " + xmlDocument.OuterXml);
XmlMessagePackageFileBegin message = XmlMessageCreator.CreateXmlMessagePackageFileBegin(xmlDocument);
if (PackageFileDataBeginReceived != null)
{
PackageFileDataBeginReceived(this, message);
}
}
private void SendPackageFile(
ClientConnection clientConnection,
ClientRequest clientRequest,
FileInfo packageFileInfo)
{
// send file data
const int FILE_CHUNK_SIZE = 32 * 1024 * 1024; // read the file by chunks of 32MB
using (FileStream file = File.OpenRead(packageFileInfo.FullName))
{
// send file begin
XmlMessagePackageFileBegin fileBeginMessage = XmlMessageCreator.CreateXmlMessagePackageFileBegin(
packageFileInfo.Name,
file.Length,
ComputeFileChecksum(packageFileInfo));
SendClientXmlResponse(clientConnection, clientRequest, PacketMessageType.S_PACKAGE_FILE_BEGIN, fileBeginMessage);
int part = 0;
int bytesRead = 0;
byte[] buffer = new byte[FILE_CHUNK_SIZE];
while ((bytesRead = file.Read(buffer, 0, buffer.Length)) > 0)
{
byte[] dataToSend = buffer;
// extract only "bytesRead" number of bytes
if (bytesRead < buffer.Length)
{
dataToSend = new byte[bytesRead];
Array.Copy(buffer, dataToSend, bytesRead);
}
SendClientRawDataResponse(clientConnection, clientRequest, PacketMessageType.S_PACKAGE_FILE_DATA, dataToSend, part++);
}
}
// send file end
SendClientNoDataResponse(clientConnection, clientRequest, PacketMessageType.S_PACKAGE_FILE_END);
}
public void OnFileBeginReceive(object sender, XmlMessagePackageFileBegin message)
{
// verify current state
if (_state != PackageBuilderState.WAITING_FOR_FILE_BEGIN)
{
throw new InvalidOperationException("OnFileHeaderReceive: Invalid internal state - " + _state.ToString());
}
// open file stream - must be disposed
string filePath = Path.Combine(_fullPackagePath, message.Name);
_currentFileStrem = new FileStream(filePath, FileMode.Create);
_expectedFileSize = message.Size;
_fileChecksum = message.Checksum;
// notify observers
OnFileReciveBegin();
// goto next state
_state = PackageBuilderState.RECEIVE_FILE_DATA;
}
